nautical mile vs mi

nautical mile and mi both are nouns.

Word	Noun	Adjective	Verb	Adverb
nautical mile	Yes	No	No	No
mi	Yes	No	No	No

As nouns, nautical mile and mi are synonyms defined as:

nautical mile and mi: a unit of length used in navigation; exactly 1,852 meters; historically based on the distance spanned by one minute of arc in latitude

Other synonyms of nautical mile include air mile, international nautical mile, mile, naut mi.

As nouns, nautical mile and mi are synonyms defined as:

nautical mile and mi: a former British unit of length equivalent to 6,080 feet (1,853.184 meters); 800 feet longer than a statute mile

Other synonyms of nautical mile include Admiralty mile, geographical mile, mile, naut mi.

nautical mile (noun)	mi (noun)
a unit of length used in navigation; exactly 1,852 meters; historically based on the distance spanned by one minute of arc in latitude	the syllable naming the third (mediant) note of any major scale in solmization
a former British unit of length equivalent to 6,080 feet (1,853.184 meters); 800 feet longer than a statute mile	a unit of length equal to 1,760 yards or 5,280 feet; exactly 1609.344 meters
	a unit of length used in navigation; exactly 1,852 meters; historically based on the distance spanned by one minute of arc in latitude
	a former British unit of length equivalent to 6,080 feet (1,853.184 meters); 800 feet longer than a statute mile